CVE-2026-64940 Auth bypass in Tegalog -Fumy Otegaru Memo Logger-

High 8.8 Published Updated

An attacker can bypass authentication to access the management console and perform administrative operations due to a permissive regular expression.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-64940?

CVE-2026-64940 is a high-severity authentication bypass vulnerability in Nishishi Factory Tegalog -Fumy Otegaru Memo Logger-, published on 10 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tegalog -Fumy Otegaru Memo Logger- provided by Nishishi Factory contains a vulnerability due to a permissive regular expression, which may allow an attacker who can access the affected product to log in to the management console. As a result, the attacker may perform any operations available from the management console.

Weakness: CWE-625

Which versions are affected by CVE-2026-64940?

How do I fix CVE-2026-64940?

No fix has been published for CVE-2026-64940 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-64940 being exploited?

There is no known exploitation of CVE-2026-64940 in the wild and no public exploit code.

Sources

Also known as GHSA-m4x6-wx7h-hwvh.

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